AWS Certified Developer – Associate (DVA-C02) — Question 96

A developer is developing an application that uses signed requests (Signature Version 4) to call other AWS services. The developer has created a canonical request, has created the string to sign, and has calculated signing information.

Which methods could the developer use to complete a signed request? (Choose two.)

Answer options

• A. Add the signature to an HTTP header that is named Authorization.
• B. Add the signature to a session cookie.
• C. Add the signature to an HTTP header that is named Authentication.
• D. Add the signature to a query string parameter that is named X-Amz-Signature.
• E. Add the signature to an HTTP header that is named WWW-Authenticate.

Correct answer: A, D

Explanation

The correct answers are A and D because the Signature Version 4 allows the signature to be included in the Authorization header or as a query string parameter named X-Amz-Signature. Options B, C, and E are incorrect as they do not conform to the standard practices for AWS signature signing methods.